The CAS registry number of 1,1'-Sulfonyldiimidazole is 7189-69-7. The IUPAC name is 1,1'-sulfonylbis(1H-imidazole). Its EINECS registry number is 230-554-0. In addition, the formula is C₆H₆N₄O₂ and the molecular weight is 198.20244. What's more, it belongs to the classes of Imidazoles; Building Blocks; Heterocyclic Building Blocks. What's more, it is a kind of light cream crystalline powder.

Physical properties about this chemical are: (1)ACD/LogP: -0.86; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.86; (4)ACD/LogD (pH 7.4): -0.86; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 8.12; (8)ACD/KOC (pH 7.4): 8.12; (9)#H bond acceptors: 6; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 78.16 Å²; (13)Index of Refraction: 1.722; (14)Molar Refractivity: 48.86 cm³; (15)Molar Volume: 123.4 cm³; (16)Polarizability: 19.37 ×10^-24cm³; (17)Surface Tension: 76.7 dyne/cm; (18)Density: 1.6 g/cm³; (19)Flash Point: 238.7 °C; (20)Enthalpy of Vaporization: 73.37 kJ/mol; (21)Boiling Point: 471 °C at 760 mmHg; (22)Vapour Pressure: 4.82E-09 mmHg at 25°C.

Preparation 1,1'-Sulfonyldiimidazole: it can be prepared by 1-trimethylsilanyl-1H-imidazole. This reaction will need reagent SO₂Cl₂ and solvent toluene. The reaction time is 4 hours at temperature of -10 °C. The yield is about 98%.

Uses of 1,1'-Sulfonyldiimidazole: it can react with 2-(4-chlorophenyl)-1-(4-methoxyphenyl)ethanol to get 1-[2-(4-chloro-phenyl)-1-(4-methoxy-phenyl)-ethyl]-1H-imidazole. This reaction will need reagent acetonitrile. The reaction time is 2 hours with ambient temperature and the yield is about 61.6%.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin and harmful by inhalation, in contact with skin and if swallowed. You should wear suitable protective clothing, gloves and eye/face protection when you are using it. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(n1ccnc1)n2ccnc2
(2)InChI: InChI=1/C6H6N4O2S/c11-13(12,9-3-1-7-5-9)10-4-2-8-6-10/h1-6H
(3)InChIKey: ZLKNPIVTWNMMMH-UHFFFAOYAJ